5545555500361 has 2 divisors, whose sum is σ = 5545555500362. Its totient is φ = 5545555500360.

The previous prime is 5545555500311. The next prime is 5545555500371. The reversal of 5545555500361 is 1630055555455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5123685765136 + 421869735225 = 2263556^2 + 649515^2 .

It is a cyclic number.

It is not a de Polignac number, because 5545555500361 - 2⁹ = 5545555499849 is a prime.

It is a super-2 number, since 2×5545555500361² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5545555500311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2772777750180 + 2772777750181.

It is an arithmetic number, because the mean of its divisors is an integer number (2772777750181).

Almost surely, 2^{5545555500361} is an apocalyptic number.

It is an amenable number.

5545555500361 is a deficient number, since it is larger than the sum of its proper divisors (1).

5545555500361 is an equidigital number, since it uses as much as digits as its factorization.

5545555500361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5625000, while the sum is 49.

The spelling of 5545555500361 in words is "five trillion, five hundred forty-five billion, five hundred fifty-five million, five hundred thousand, three hundred sixty-one".